Yesterday we saw a documentation about snow leopards and when the lady was in heat you could hear her throughout the valleys of the Himalaya. In that case she was giving signals to males who usually are three day walks away.

Maybe poor Spook tries that too, Remus being not interested

Anyway, our Filou also proved he could be an opera singer and filling an opera house with his voice when he was 9 months old (he was later than Tigris )- so we quickly got a vet appointment then